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  <title>MSE: Don't get stuck buffering for too long when we have frames to show</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="mediasource.js"></script>
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<pre id="test"><script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

var receivedSourceOpen = false;
runWithMSE(function(ms, v) {
  ms.addEventListener("sourceopen", function() {
    ok(true, "Receive a sourceopen event");
    ok(!receivedSourceOpen, "Should only receive one sourceopen for this test");
    receivedSourceOpen = true;
    var sb = ms.addSourceBuffer("video/webm");
    ok(sb, "Create a SourceBuffer");

    fetchWithXHR("seek.webm", function(arrayBuffer) {
      sb.addEventListener('error', (e) => { ok(false, "Got Error: " + e); SimpleTest.finish(); });
      loadSegment.bind(null, sb, new Uint8Array(arrayBuffer, 0, 318))().then(
      loadSegment.bind(null, sb, new Uint8Array(arrayBuffer, 318, 25523-318))).then(
      loadSegment.bind(null, sb, new Uint8Array(arrayBuffer, 25523, 46712-25523))).then(
      /* Note - Missing |46712, 67833 - 46712| segment here corresponding to (0.8, 1.2] */
      /* Note - Missing |67833, 88966 - 67833| segment here corresponding to (1.2, 1.6]  */
      loadSegment.bind(null, sb, new Uint8Array(arrayBuffer, 88966))).then(function() {
        // 0.767 is the time of the last video sample +- 40ms.
        var promise = waitUntilTime(v, .767-0.04);
        info("Playing video. It should play for a bit, then fire 'waiting'");
        v.play();
        return promise;
      }).then(function() {
        window.firstStop = Date.now();
        loadSegment(sb, new Uint8Array(arrayBuffer, 46712, 67833 - 46712));
        return waitUntilTime(v, 1.167-0.04);
      }).then(function() {
        var waitDuration = (Date.now() - window.firstStop) / 1000;
        ok(waitDuration < 15, "Should not spend an inordinate amount of time buffering: " + waitDuration);
        SimpleTest.finish();
        /* If we allow the rest of the stream to be played, we get stuck at
           around 2s. See bug 1093133.
        once(v, 'ended', SimpleTest.finish.bind(SimpleTest));
        return loadSegment(sb, new Uint8Array(arrayBuffer, 67833, 88966 - 67833));
        */
      });
    });
  });
});
</script>
</pre>
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